The leader of the Saviors, Negan, selects Glenn to die as "punishment" for the Saviors Rick's group killed; he then bludgeons Glenn to death with a baseball bat. Glenn dies while helplessly crying Maggie's name. ... Glenn's body is later driven by the group to the Hilltop, where it is buried in a matter of days.

Why did they kill off Glenn?

But The Walking Dead already wrote itself an out, killing Abraham first in a non-comic move, but they decided to go for shock value over long term investment and killed Glenn anyway. ... That happened recently on The Walking Dead with Rick Grimes (Andrew Lincoln) and Michonne (Danai Gurira).

Does Negan regret killing Glenn?

Gabriel Stokes regrets leaving his followers outside to the walkers. Negan regrets killing Glenn and even apologizes to Glenn's wife, Maggie Greene, for taking her husband away from her. Dwight regrets being hung up on Sherry. Dwight regrets threatening to overthrow Rick.